South Kingstown is a town in Washington County, Rhode Island, United States. The population was 30,639 at the 2010 census. South Kingstown is the largest town in Washington County and is the largest town (land and water area) in the state of Rhode Island.
South Kingstown includes the villages of Kingston, West Kingston, Wakefield, Peace Dale, Snug Harbor, Tuckertown, East Matunuck, Matunuck, Green Hill, and Perryville. Peace Dale and Wakefield are treated as a census-designated place called Wakefield-Peacedale. Ocean Ridge, Indian Lake, and Torrey Hill are among the other small areas that are regarded as unique localities, although official distinctions are less clear. Middlebridge, located on the west side of Narrow River, is a densely populated neighborhood in the town. The geographic center of Washington County, Rhode Island is located in South Kingstown, only a few feet away from the Pawcatuck River and the town's border with Richmond, Rhode Island.